2 sticks butter
3 rounded tbsp. all - purpose flour
1 tsp. salt
1/2 tsp. pepper
1 tsp. seasoning salt
1 qt. milk
1 c. Cheez Whiz
8 med. size potatoes

Melt butter in skillet; blend in flour, salt, pepper and seasoning salt. Add milk until thickened, stirring constantly. Add Cheez Whiz, heat until melted. Dice potatoes and place in baking dish; pour mixture over top. Bake at 350 degrees 15 to 20 minutes. Add diced ham if desired.